The Department of Defense, through the Naval Surface Warfare Center Carderock Division (NSWCCD), is soliciting proposals for the machining of Propulsor Ducts as part of its ongoing efforts to support the United States Navy's submarine propulsor systems. This procurement aims to acquire services that align with the Research and Development, design, testing, acquisition, and delivery processes managed by the Advanced Propulsor Management Office (APMO). The resultant contract will be structured as a combination of Cost-Plus-Fixed-Fee (CPFF) and Firm-Fixed-Price (FFP), highlighting the critical nature of these components in naval operations. Interested vendors should submit their proposals as unclassified documents and may request classified drawings via email to the designated contacts, Jonathan Mauro and Sam Keith, with proposals due as specified in the solicitation N0016725R0005.